Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2018SUBURBAN FL, RWD, GAS/ETHANOLREPAIR AND DIAGNOSISQUICK LOOKUPSFLUIDS
2018 Chevrolet Suburban FL, RWD, Gas/Ethanol
Quick Lookups: Fluids
2018 Chevrolet Suburban FL, RWD, Gas/EthanolSECTION Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Refrigerant | Front & Rear,w/R-1234yf | 1.80 LBS. | 0.81 KG | R-1234yf | S | ||
| Air Cond Refrigerant | Front & Rear,w/R-134a | 2.00 LBS. | 0.9 KG | R-134a | S | ||
| Automatic Transmission Fluid | Complete Trans System Fluid | 12.20 QTS. | 11.54 L | Automatic Transmission Fluid DEXRON VI | All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling. | S | |
| Automatic Transmission Fluid | Overhaul | 10.50 QTS. | 9.93 L | Automatic Transmission Fluid DEXRON VI | All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling. | S | |
| Automatic Transmission Fluid | Pan Removal | 6.00 QTS. | 5.67 L | Automatic Transmission Fluid DEXRON VI | All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling. | S | |
| Brake Fluid | N/A | N/A | DOT 3 Hydraulic Brake Fluid | S | |||
| Differential Gear Oil | Front Axle 8.25" | 1.51 QTS. | 1.42 L | SAE 75W-85 Gear Oil | All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling. | S | |
| Differential Gear Oil | Front Axle 9.25" | 1.83 QTS. | 1.73 L | SAE 75W-90 Gear Oil | All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling. | S | |
| Differential Gear Oil | Rear Axle 10.5" | 2.75 QTS. | 2.6 L | SAE 75W-85 Synthetic Gear Oil | All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling. | S | |
| Engine Coolant | 17.80 QTS. | 16.84 L | 50/50 mixture of DEX-COOL and clean, drinkable water | All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling. | S | ||
| Engine Oil | w/Filter | 8.00 QTS. | 7.57 L | API - SAE 0W-20 | Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. Do not add anything to the oil. The recommended oils meeting the dexos1 specification are all that is needed for good performance and engine protection. Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty. | S | |
| Engine Oil | w/o Filter | 7.50 QTS. | 7.09 L | API - SAE 0W-20 | Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. Do not add anything to the oil. The recommended oils meeting the dexos1 specification are all that is needed for good performance and engine protection. Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty. | S | |
| Fuel Tank | 31.50 GALS. | 119.24 L | S | ||||
| Transfer Case Fluid | 1.60 QTS. | 1.51 L | Automatic Transmission Fluid DEXRON VI | All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling. | S | ||
| Windshield Washer Fluid | N/A | N/A | Windshield Washer Fluid | Follow the Manufacturer's Instructions for the mixture ratio. Automotive windshield washer fluid that meets regional freeze protection requirements. | S | ||
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.